• P04 pressed steel outer enclosure with polyester paint finish, resistant to atmospheric agents. • Nominal diameter 100 mm • 3 speed AC motor of external rotor type with thermal overload cutout and shaft turning in ball bearings, coupled to backward curved impeller. • Minimum air flow 200 m3/h Maximum air flow 330 m3/h • Operation controllable by remote sensors monitoring: Temperature, Relative Humidity, Smoke and Presence • IMQ SAFETY and IMQ PERFORMANCE certifications • Vortice speed controller included.